Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Near a maximum
Means less power is transmitted
First principle of Centripetal force
Disorder

2. Which is not one of the fundamental forces of nature...
Universal
Disorder
Waste heat for secondary uses
Mechanical - chemical - and radiant energy

3. If a charging elephant has kinetic energy - it must also have...
Disorder
Momentum
Sulfur
Increases the energy

4. The ozone hole results from...
Halogen radicals interfering in ozone synthesis
Newtons second principle of Universal Gravitation
Total internal energy of an object
Twice the work

5. The weight of one kilogram of iron on earth is...
Less on the moon
Waste heat for secondary uses
12 miles per hour
Second principle of Centripetal force

6. Raising an auto in a service station requires work. Raising it twice as high requires...
Decreased
Movement
Twice the work
12 miles per hour

7. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Remains unchanged
Movement
Sulfur
Heat of fusion

8. When you add heat to a substance - its temperature...
Remains unchanged
Might stay the same
Means less power is transmitted
Movement

9. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Twice the work
Might stay the same
Waves and particles
Heat of fusion

10. A temperature of -10 degrees celsius is equivalent to...
Less on the moon
5 m/s
263 degrees kelvin
Mechanical - chemical - and radiant energy

11. Circular motion requires centripetal force
Movement
Universal
First principle of Centripetal force
Total internal energy of an object

12. Electrical energy can be converted to...
12 miles per hour
Increasing speed and constant acceleration
Halogen radicals interfering in ozone synthesis
Mechanical - chemical - and radiant energy

13. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Waves and particles
Waste heat for secondary uses
Remains unchanged
Newtons third principle of Universal Gravitation

14. Heat is the...
Near a maximum
Total internal energy of an object
Less on the moon
Newtons first principle of Universal Gravitation

15. The work that a heat engine is able to accomplish is ideally equivalent to the
Near a maximum
Universal
Movement
Difference between the heat supplied and the heat exhausted

16. Entropy refers to...
Newtons second principle of Universal Gravitation
Disorder
Mechanical - chemical - and radiant energy
Waste heat for secondary uses

17. At a given speed - the centripetal force - the smaller the circle.
Newtons third principle of Universal Gravitation
Disorder
Third principle of Centripetal force
Increasing speed and constant acceleration

18. In a generator - the flow of electrons (current) is created by...
Movement
First principle of Centripetal force
Universal
Newtons first principle of Universal Gravitation

19. The theoretical production curve of oil indicates oil production is...
12 miles per hour
Twice the work
Near a maximum
Disorder

20. All objects with mass are attracted to another by the gravitational force
263 degrees kelvin
Newtons first principle of Universal Gravitation
5 m/s
Decreased

21. In burning coal - what contaminant is of major concern as a pollutant...
Sulfur
Might stay the same
Near a maximum
Decreased

22. The reason that a spear fisherman cannot see where the fish is actually located is...
Heat of fusion
Disorder
Movement
Difference in the sped of light in water vs. air

23. From the 50's and to the 70's - the pH of rain in the northeast had..
Remains unchanged
Decreased
Mechanical - chemical - and radiant energy
Newtons second principle of Universal Gravitation

24. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Total internal energy of an object
12 miles per hour
Might stay the same
Disorder

25. The larger the centripetal force - the faster an object travels in a circle of a given size
Second principle of Centripetal force
263 degrees kelvin
5 m/s
Movement

26. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Movement
Increasing speed and constant acceleration
Means less power is transmitted
Remains unchanged

27. cogeneration uses...
Increases the energy
Movement
Waste heat for secondary uses
Universal

28. The gravitational force - two masses are directly proportional to the mass of each object
Newtons second principle of Universal Gravitation
Waves and particles
Newtons first principle of Universal Gravitation
5 m/s

29. Increasing the frequency of light
Movement
Newtons third principle of Universal Gravitation
Might stay the same
Increases the energy

30. Electromagnetic radiation can be viewed as...
Newtons third principle of Universal Gravitation
Means less power is transmitted
Waves and particles
Difference in the sped of light in water vs. air

31. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Means less power is transmitted
Difference in the sped of light in water vs. air
263 degrees kelvin
5 m/s